%0 Journal Article %A Roscales García, Silvia %A Sancho, Ainhoa %A García Csaky, Aurelio %T Metal-free conjugate addition of alkenylboronic acids to enedicarbonyl compounds towards the synthesis of pyridazine derivatives %D 2015 %U https://hdl.handle.net/20.500.14352/115322 %X The regioselective conjugate addition of alkenylboronic acids to electronically-differentiated 1,4-enedicarbonyl compounds under metal-free conditions, using tartaric acid as promoter of the reaction is reported. The resulting compounds have been used as starting materials in the synthesis of 4-alkenyl-4,5-dihydropyridazin-3(2H)-ones or 4-alkylpyridazin-3(2H)-ones by reaction with hydrazine hydrate and acetic acid. %~